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Half Marathons found in Illinois in January

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Half Marathons in Illinois in January 2026

Find A Race is the US's favourite event listings site. Check out our list of January 2026 Half Marathons in Illinois below.

Race Calendar: Half Marathons found in January

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17th Annual F^3 Lake Half Marathon & 5k

Chicago, Illinois
31 Jan 26
$42.59 - $59.55
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17th Annual F^3 Lake Half Marathon & 5k

Chicago, Illinois
31 Jan 26
$42.59 - $59.55
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